繁 | 简 | EN

Logout

Hot search

New csl x MIRROR 5G Plan | Samsung Galaxy Fold5 | Flip5 | Tertiary Student 5G U-Plan | Online Shop | Handset tutorial

Setup/Forget Password

Mobile phone number:1234567

Not available to prepaid card users.

If you use a prepaid card,
please login here.

Home > Data Roaming > Calling overseas

Calling overseas

Choice of clear and reliable IDD

We provide three kinds of international telephone service - IDD 001, IDD 0060 and IDD 1678.

For more info on calling overseas, please click the link below:

International Call Forwarding

International SMS

International MMS

- csl product hotline: 2888 2123
- Contact us by WhatsApp: 5212 3123
- 24-hour customer service hotline: 2512 3123
- 24-Hour Overseas Emergency Hotline: +852 3477 4089
- (Only for csl mobile number call the Overseas Emergency Hotline, the
  roaming charges are waived)

Follow us

Download csl App